<template>
  <div>
    <!-- 面包屑导航 -->
    <el-breadcrumb separator="/">
      <el-breadcrumb-item :to="{ path: '/welcome' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片区域 -->
    <el-card class="box-card">
      <!-- 添加用户输入框 -->
      <el-row :gutter="20">
        <el-col :span="7">
          <el-input placeholder="请输入内容" clearable v-model="queryInfo.query" @clear="getGoodsList"
            @keyup.13.native="getGoodsList">
            <el-button slot="append" icon="el-icon-search" @click="getGoodsList">
            </el-button>
          </el-input>
        </el-col>
        <el-col :span="17">
          <el-button type="primary" @click="$router.push('/goods/add')">添加商品
          </el-button>
        </el-col>
      </el-row>
      <!-- 表格 -->
      <el-table :data="goodsList" border stripe style="width: 100%">
        <el-table-column type="index" label="#">
        </el-table-column>
        <el-table-column label="商品名称" prop="goods_name" min-width="600px">
        </el-table-column>
        <el-table-column label="商品价格(元)" prop="goods_price" width="95px">
        </el-table-column>
        <el-table-column label="商品重量" prop="goods_weight">
        </el-table-column>
        <el-table-column label="创建时间" prop="add_time" width="140px">
          <template slot-scope="{row}">
            {{row.add_time|dataFormat}}
          </template>
        </el-table-column>
        <el-table-column label="操作" width="120px">
          <template v-slot="{row}">
            <el-button type="primary" icon="el-icon-edit" size="mini"></el-button>
            <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeGoods(row.goods_id)"></el-button>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页 -->
      <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum" :page-sizes="[5, 10, 15, 20]" :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper" :total="total">
      </el-pagination>
    </el-card>
  </div>
</template>

<script>
export default {
  data () {
    return {
      goodsList: [],
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 20
      },
      total: 0
    }
  },
  created () {
    this.getGoodsList()
  },
  methods: {
    // 获取商品列表
    async getGoodsList () {
      const { data: res } = await this.$http.get('goods', { params: this.queryInfo })
      // console.log(res)
      if (res.meta.status !== 200) return this.$message.error('获取商品列表失败')
      this.goodsList = res.data.goods
      this.total = res.data.total
    },
    // 页条数变化
    handleSizeChange (num) {
      console.log(1)
      this.queryInfo.pagesize = num
      this.getGoodsList()
    },
    // 当前页变化
    handleCurrentChange (current) {
      this.queryInfo.pagenum = current
      this.getGoodsList()
    },
    // 删除商品
    removeGoods (id) {
      this.$confirm('此操作将永久删除该文件, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(async () => {
        const { data: res } = await this.$http.delete(`goods/${id}`)
        console.log(res)
        if (res.meta.status !== 200) return this.$message.error('删除失败')
        this.$message.success('删除成功')
        this.getGoodsList()
      }).catch(() => {
        this.$message({
          type: 'info',
          message: '已取消删除'
        })
      })
    }
  }

}
</script>

<style scoped lang='less'>
</style>
